PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2019/08/28-21:13:00 G10 260.8 35.7 11.0 +/- 1.86 17.3 +/- 1.86 0.050 / 0.060 G13 44.8 21.8 7.9 +/- 0.40 16.7 +/- 0.40 0.050 / 0.060 G15 67.7 53.7 10.0 +/- 0.39 12.0 +/- 0.39 0.130 / 0.340 G16 284.9 14.3 9.0 +/- 2.54 22.8 +/- 2.54 0.100 / 0.330 G20 287.3 57.6 11.0 +/- 0.66 12.8 +/- 0.66 0.090 / 0.170 G21 348.6 67.0 9.0 +/- 0.37 9.7 +/- 0.37 0.090 / 0.200 G24 126.8 10.4 -7.8 +/- 42.57 -21.5 +/- 42.57 0.200 / 0.420 G26 258.4 10.8 11.5 +/- 2.11 31.6 +/- 2.11 0.150 / 0.340 G27 321.2 13.4 8.7 +/- 2.85 22.6 +/- 2.85 0.060 / 0.260 G29 166.2 38.3 11.3 +/- 1.21 16.8 +/- 1.21 0.070 / 0.270